达内-java视频spring day通过案例掌握使用注解方式整合

知识点列1注解方式实现SSH整合通过案例掌握使用注解方式整合2了解Spring*3AOP*4了解并掌握Spring框架结构*5SpringSpringMVC*6作为课后作业。使用SSH*注 注解方式实现SSH整合 【案例1】注解方式实现SSH整合 Spring管理事务的策略 AOP动 【案例2】动 Spring框架结构 SpringMVC 【案例3】SpringMVC ssh2重构当当注意事项 SSH整合1SSH整合拷贝spring4spring5请spring4首先我们开启组件扫描，将bean<beansxmlns="<bean <propertyname="url"<propertyname="username"<propertyname="password"<propertyname="maxActive"<propertyname="initialSize"<beanid="mySessionFactory"<propertyname="dataSource"<property <property<propkey="hibernate.dialect"><prop<prop<beanid="userDao"<beanid="userService"<propertyname="userDao" <bean<tx:adviceid="txAdvice"transaction-<tx:methodname="save*"<tx:methodname="update*"<tx:methodname="delete*"<tx:methodname="find*"read-only="true"<tx:methodname="*"，所以修改packageimportimportpackageimportimportimportimportpublicclassUserServiceImplimplementsUserServiceprivateprivateUserDAOpublicUserDAOgetUserDao()return}publicvoidsetUserDao(UserDAOuserDao)this.userDao=}publicbooleanfindLogin(Useruser)UserusrUserusr=if(usr!=eturn}}return}}}}修改加入注解，将DAObeanSpringpackageimportimportimportimportimportpublicclassextendsHibernateDaoSupportimplementsUserDAOpublicUser {Stringhql="fromUserpackagepackageimportimportimportimportimportpublicclassUserServiceImplimplementsUserServiceprivateUserDAOpublicUserDAOgetUserDao(){returnpublicvoidsetUserDao(UserDAOuserDao)this.userDao=publicbooleanfindLogin(Useruser)Userusr=if(usr!=List<User>listList<User>listUseruser=user=}return}}}}修改加入注解，将DAOService}}}return}}return但是，现在我们又遇到一个问题，HibernateUerDAOImpl但是，现在我们又遇到一个问题，HibernateUerDAOImplSessionFactory，那么我们需要将SessionFactory注入到其中。 修改随便写一个方法，这样我们就可以使用注解@Resource从Springbean名为mySessionFactory；取出SessionFactoryHibernateUserSupportset（super.setSessionFactory(sessionFactory)），sessionFactory象。最后，如此两个步骤，我们就完成了sessionFactory的注入。packageimportimportimportimportimportimportimportpublicclassextendsHibernateDaoSupportimplementsUserDAO}public}publicUser){{Stringhql="fromUser=?";List<User>listthis.getHibernateTemplate().find(hql,newObject[]{ Useruser=null;user=}return}}}}<bean<bean <propertyname="url"<propertyname="username"<propertyname="password"<propertyname="maxActive"<propertyname="initialSize"<beanid="mySessionFactory"<propertyname="dataSource"<property <property<propkey="hibernate.dialect"><prop<prop <beanid="txManager"<propertyname="sessionFactory"<tx:methodname="save*"<tx:methodname="update*"<tx:methodname="delete*"<tx:methodname="find*"read-only="true"<tx:methodname="*"修改packagepackagepublicclassUserServiceImplimplementsUserServiceprivateUserDAO}publicvoid}}eturn}}returnUserusr=if(usr!=publicbooleanfindLogin(Useruser)publicUserDAOgetUserDao()return}publicvoidsetUserDao(UserDAOuserDao)this.userDao=}新建ssh-<beans"""""<bean <propertyname="url"<propertyname="username"<propertyname="password"<propertyname="maxActive"<propertyname="initialSize"<beanid="mySessionFactory"<propertyname="dataSource"<property <property<propkey="hibernate.dialect"><prop<prop<web-app" 11)修改新建ssh-<beansxmlns=" <beanid="txManager"12)部署项目 步骤1，将项目中的mysql的Jar包mysql-connector-java-5.1.8-bin.jar删除步骤2，拷贝该mysql的Jar包到Tomcat服务器的common/lib 删除项目中的mysql的Jar将mysql的jar包拷贝到tomcat服务器的 13)测试（略（案例结束Spring管理事务的策略 AOP动 动 采用了AOP后，容器返回的对象 如果目标对象有接口，采用如果目标对象没有接口，采用CGLIB【案例2】动态新建工程配置好springpackagepackagepublicinterface{publicvoidpublicvoid}packagepackageimportpublicclassTest01publicvoidUserServiceuserService=newUserServiceImpl();}packageproxy;publicclassUserServiceImplimplementsUserServicepublicvoid{}publicvoidsave()}}新建测试类}} 运行 动 新建packageimportimportimportpublicclassJDKProxyFactoryimplementsprivateObjectprivateJDKProxyFactory()publicstaticJDKProxyFactoryreturnnew} publicObjectgetProxy(Classclazz)throwstargetclazz.newInstance(); oader(),clazz.getInterfaces(),this);return} @param@param@param@throwspublicObjectinvoke(Objectproxy,Methodmethod,Object[]{ObjectretVal=retValmethod.invoke(target,params);{}return}}packagepackageimportimportpublicclassTest01 publicvoidUserServiceuserService=newUserServiceImpl();}publicpublicvoidtestJDKProxy()throwsExceptionJDKProxyFactoryproxyFactory=JDKProxyFactory.getInstance();UserServiceuserService=}}}运行如果没有接口，比如更新部门时，只有DeptServiceImplDeptService修改修改packageimportpublicclassTest01 publicvoidtestJDKProxy()throwsExceptionJDKProxyFactoryproxyFactory=JDKProxyFactory.getInstance();UserServiceuserService=}voidtestJDKProxy1()throwsJDKProxyFactoryproxyFactory=JDKProxyFactory.getInstance();DeptServiceImpldeptService=packagepublicclassDeptServiceImplpublic{}publicvoid}}测试在没有接口情况下，使用JDK会出错的情新建}}}运行这种情况下，我们就需要使用这种情况下，我们就需要使用13)新建packageimportimportimportimportpublicclassCGLIBProxyFactoryimplementsprivateObjectprivatepublicstaticCGLIBProxyFactoryreturnnew}}}publicObjectgetProxy(Classclazz)throwsException{target=clazz.newInstance();Enhancerenhancer=newEnhancer();return}publicObjectintercept(Objectproxy,Methodmethod,Object[]params,MethodProxymethodProxy)throwsThrowableObjectretVal=null;retVal=method.invoke(target,System.out.println(}return}修改packagepackageproxy;publicclassTest01 publicvoidtestJDKProxy()throwsExceptionUserServiceuserService=} publicvoidtestJDKProxy1()throwsDeptServiceImpldeptService=}voidtestGglibProxy()throwsDeptServiceImpldeptService=}}运行（案例结束Spring框架结构我们在使用学习Spring框架时，只是重点介绍了IoC和AOP，这只是Spring强大功能的Core(TheIoCCore(TheIoCcontainer)AOPSpringSpring对JDBC的整合，属于DAO 该封装包提供了基础的针对web此外Spring也提供了一种MVC实现。 Spring SpringMVC服务器控制器由 HandlerMap将请求映射到对应的处理器Controller（相当于Action）在Spring当中如果写一些处理器组件，一般实现Controller接口如果想将处理结果返回给用户，那么在SpringViewResolver，该组件根据Controller返回的标示，找到对应的试图，将响应response返回给用户处理3】SpringMVC新建工程导入Jar首先配置<?<?xmlversion="1.0"encoding="UTF-<web-app" 配 控制器 <?xmlversion<?xmlversion="1.0"encoding="UTF-<beansxmlns=""""""和之前的Spring写视图View（jsp 新建视图页面 同时actionlogin.do<%@pagecontentType="text/html;charset=utf-isELIgnored="false"pageEncoding="utf-<title>Inserttitle<formaction="login.do"用户名：<inputtype="text" ：<inputtype="text"" 新建视图页面<%@<%@pagelanguage="java"import="java.util.*"pageEncoding="UTF-8"接下来新建Controller，返回值是ModelAndViewpackagepackageimportimportimportimportpublicclassLoginControlimplementsControllerHttpServletResponsearg1)throwsException ()相当于 ==StringpasswordStringpassword=)&&&&returnnew}returnnew}}}}<?xmlversion<?xmlversion="1.0"encoding="UTF-<beansxmlns=""""""<<beanid="loginControl"那么，从如上步骤中，我们已经完成了SpringMVCDispatcherServlet、<beansxmlns=""""""<beanid="loginControl"<propertyname="commandClass"<!--配置 配置 修改spring-<beanid="urlMap <property <prop<!--定义ViewResolver组件,实现根据视图标识获取JSP<!--定义ViewResolver组件,实现根据视图标识获取JSP<beanid="viewResolver"View<propertyname="viewClass"<propertyname="suffix"<propertyname="prefix" jspLoginControl